chore(deps): Bump redux-thunk from 2.3.0 to 3.1.0

Bumps [redux-thunk](https://github.com/reduxjs/redux-thunk) from 2.3.0 to 3.1.0.
- [Release notes](https://github.com/reduxjs/redux-thunk/releases)
- [Commits](reduxjs/redux-thunk@v2.3.0...v3.1.0)

---
updated-dependencies:
- dependency-name: redux-thunk
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -116,7 +116,7 @@
     "redux-actions": "~2.6.5",
     "redux-form": "8.3.9",
     "redux-promise": "~0.6.0",
-    "redux-thunk": "~2.3.0",
+    "redux-thunk": "~3.1.0",
     "remark-gfm": "4.0.0",
     "reselect": "~4.0.0",
     "smoothscroll-polyfill": "~0.4.4",